Slanderer rhymes with:
hinderer, launderer, rinderer, wanderer, ederer, embroiderer, federer, ferderer, hinderer, launderer, lederer, murderer, niederer, pfleiderer, riederer, rinderer, roederer, scheiderer, schwaderer, wanderer
Slanderer sounds like:
salamander, scalamandre, schlender, selander, sjolander, slander, slender